On Sat, Aug 30, 2008 at 3:41 PM, Linus Torvalds
<[EMAIL PROTECTED]> wrote:
>
>
> On Sat, 30 Aug 2008, Yinghai Lu wrote:
>>
>> in old kernel, after BAR3 request_filed, pci_assigned_unassigned
>> should get update resource for that... but it could find that big
>> space for it.

wait, THAT BAR is 64BIT capable, So kernel should assign 64bit range to it...
it request_resource fails...

>
> Exactly. So what happens is that it doesn't actually re-allocate it at
> all. Not that it is necessarily even possible - it's quite possible that
> that field is effectively locked some way and is read-only. Without
> knowing the chipset details, we can only guess.

not touch it at this time...

except Jordan could find some clue with the DOC.

YH
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